or where their stolen truck had taken them. and that, a few weeks later, is where the ring came in. that's when roarer got a call from nebraska, heard how that ling turned up at the scene of a double murder, heard how they tracked it back to the walmart in beaver dam and then to cori and ryan and the stolen truck. that must have been a shocker to get that information, to have it cross your desk. >> a huge shocker. that pretty much sends a chill down your spine. >> reporter: what was going on? how were these two teenagers, reid and fester, tied to the murders of wayne and sharmon stock? or were they at all? coming up -- an interrogation of one of the teens provides a chilling first glimpse of what may have happened inside that farm house. >> i freaked out and left because obviously that guy's up there killing somebody.